Question

find the product of 198x209 using the identity (x+a)(x+b)=x sq +x(a+b)+ab​

Answer 1

find the product of 198x209 using the identity (x+a)(x+b)=x sq +x(a+b)+ab

Answer 2

Answer:

38,835

Step-by-step explanation:

=(197+1) (197+13)

=197²+(1+13) +1×13

=38,809+13+13

=38,835